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IBM has announced that it has successfully built and tested two powerful universal quantum computing processors for IBM Q - the company's initiative to build commercially available universal quantum computing systems for business and science applications.

The first upgraded processor will be available for use by developers, researchers, and programmers to explore quantum computing using a real quantum processor at no cost via the IBM Cloud. The second upgraded processor is a new prototype of a commercial processor, which will be the core for the first IBM Q early-access commercial systems.

IBM has adopted a new metric to characterize the computational power of quantum systems: Quantum Volume. Quantum Volume accounts for the number and quality of qubits, circuit connectivity, and error rates of operations. IBM’s prototype commercial processor offers a significant improvement in the Quantum Volume. Over the next few years, IBM plans to continue to push the technology aggressively and aims to significantly increase the Quantum Volume of future systems by improving all aspects of the processors, including incorporating 50 or more qubits. Learn more here.

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